Presenting an exquisite Boulder Opal ring featuring a striking 4.28 carat gemstone set in platinum, accented by twelve brilliant G-H/Vvs-Si1 diamonds totaling 0.55 carats. Classified by the Opal industry as Natural Opal Type 2, this Australian Boulder Opal is a testament to nature's artistry and uniqueness. Formed with the opal naturally attached to its host rock, this opal showcases the remarkable geological formations of its origin. Composed of a hydrated amorphous form of concretions of SiO2nH2O silica, this opal boasts spheres of silicon dioxide molecules arranged intricately within the cracks and crevices of Australian Boulder Opal ironstone, found exclusively in Queensland, Australia. With base tones ranging from N1 to N9, each opal displays a distinct spectrum of colors and patterns, reflecting the inherent beauty of nature's craftsmanship. As a diminishing resource, Australian Boulder Opal is highly prized, with anecdotal evidence suggesting annual value increases of up to 15%. Guaranteed free of dyes or artificial color, this opulent ring is a timeless symbol of natural elegance and authenticity.